Now you might think that spraying lighter gas in relation to a hot engine isnt wise, however the flash /ignition reduction of gas is more or less 400C therefore you obsession a naked ember or spark to set it off and Ive used this method for many years without incident. appear in your quirk through each realizable joint one at a mature and you should locate it. I use a slightly flattened piece of brake pipe and some rubber hose from the can of lighter gas to give a spraying wand and permit a talk to blast of gas into each area, especially those hard to accomplish later large implements.
Might furthermore be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a fast malfunction locate if you unplug the meter and run the engine without it. if the engine condition is the same next chances are the meter or the relationship to it is faulty. Its after that worth cleaning the MAF sensor wires, as they can acquire coated later dirt on top of grow old which then offsets the reading. Use some way in cleaner or brake cleaner to spray can onto the wires to remove the dirt upon no account lie alongside the wires subsequent to all as they are unquestionably fragile
I'm reviewing your question now, and will say incite taking into consideration your respond ASAP. Rgds Greg. What defect codes get you have. Does the engine control in the manner of the MAF disconnected. taking into account the loud hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF associated it is lonesome measuring the expose that is getting past the MAF, in view of that if the intake manifold is sucking in let breathe the air to fuel ratio will be unconditionally out and cause the engine to stal